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Study of low work function materials for hot cavity resonance ionization laser ion sources
/ Schwellnus, F (Mainz U., Inst. Phys.) ; Catherall, R (CERN) ; Crepieux, B (CERN) ; Fedosseev, V N (CERN) ; Marsh, B A (CERN) ; Mattolat, Ch (Mainz U., Inst. Phys.) ; Menna, M (CERN) ; Österdahl, F K (Royal Inst. Tech., Stockholm) ; Raeder, S (Mainz U., Inst. Phys.) ; Stora, T (CERN) et al.
The selectivity of a hot cavity resonance ionization laser ion source (RILIS) is most often limited by contributions from competing surface ionization of the hot walls of the ionization cavity. In this article we present investigations on the properties of designated high temperature, low work function materials regarding their performance and suitability as cavity material for RILIS. [...]
2009
- Published in : Nucl. Instrum. Methods Phys. Res., B 267 (2009) 1856-1851
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Study of Low Work Function Materials for Hot Cavity Resonance Ionization Laser Ion Sources
/ Catherall, R (CERN) ; Crepieux, B (CERN) ; Fedosseev, V (CERN) ; Marsh, B (CERN) ; Mattolat, C (Mainz U., Inst. Phys.) ; Menna, Mariano (CERN) ; Österdahl, F (Royal Inst. Tech., Stockholm) ; Raeder, S (Mainz U., Inst. Phys.) ; Schwellnus, F (Mainz U., Inst. Phys.) ; Stora, T (CERN) et al.
The selectivity of a hot cavity resonance ionization laser ion source (RILIS) is most often limited by contributions from competing surface ionization on the hot walls of the ionization cavity. [...]
CERN-AB-Note-2008-056-ATB.
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2008. - 13 p.
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3.
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ISOLDE RILIS : New beams, new facilities
/ Fedosseev, V (CERN) ; Berg, L E (Royal Inst. Tech., Stockholm) ; Lebas, N (CERN) ; Launila, O J (Royal Inst. Tech., Stockholm) ; Lindroos, M (CERN) ; Losito, R (CERN) ; Marsh, B A (CERN) ; Österdahl, F K (Royal Inst. Tech., Stockholm) ; Pauchard, T (Royal Inst. Tech., Stockholm) ; Tranströmer, G (Royal Inst. Tech., Stockholm) et al.
2008
- Published in : Nucl. Instrum. Methods Phys. Res., B 266 (2008) 4378-4382
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Radium ionization scheme development: The first observed autoionizing states and optical pumping effects in the hot cavity environment
/ Day Goodacre, T (CERN ; TRIUMF ; Manchester U.) ; Billowes, J (Manchester U.) ; Binnersley, C L (Manchester U.) ; Bissell, M L (Manchester U.) ; Chrysalidis, K (CERN ; Mainz U., Inst. Phys.) ; Cocolios, T E (KU Leuven, Dept. Phys. Astron.) ; de Groote, R P (KU Leuven, Dept. Phys. Astron.) ; Farooq-Smith, G J (KU Leuven, Dept. Phys. Astron.) ; Fedorov, D V (St. Petersburg, INP) ; Fedosseev, V N (CERN) et al.
This paper reports on resonance ionization scheme development for the production of exotic radium ion beams with the Resonance Ionization Laser Ion Source (RILIS) of the CERN-ISOLDE radioactive ion beam facility. During the study, autoionizing states of atomic radium were observed for the first time. [...]
2018 - 6 p.
- Published in : Spectrochim. Acta B At. Spectrosc. 150 (2018) 99-104
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Resonance ionization scheme development for europium
/ Chrysalidis, K (CERN ; Mainz U., Inst. Phys.) ; Day Goodacre, T (CERN) ; Fedosseev, V N (CERN) ; Marsh, B A (CERN) ; Naubereit, P (Mainz U., Inst. Phys.) ; Rothe, S (CERN) ; Seiffert, C (CERN) ; Kron, T (Mainz U., Inst. Phys.) ; Wendt, K (Mainz U., Inst. Phys.)
Odd-parity autoionizing states of europium have been investigated by resonance ionization spectroscopy via two-step, two-resonance excitations. The aim of this work was to establish ionization schemes specifically suited for europium ion beam production using the ISOLDE Resonance Ionization Laser Ion Source (RILIS). [...]
Geneva : CERN, 2017 - 10 p.
- Published in : Hyperfine Interact. 238 (2017) 34
Preprint: PDF;
In : 10th International Workshop on Application of Lasers and Storage Devices in Atomic Nuclei Research : Recent Achievements and Future Prospects, Poznan, Poland, 16 - 19 May 2016, pp.34
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Laser resonance ionization scheme development for tellurium and germanium at the dual Ti:Sa–Dye ISOLDE RILIS
/ Day Goodacre, T. (CERN ; Manchester U.) ; Fedorov, D. (St. Petersburg, INP) ; Fedosseev, V.N. (CERN) ; Forster, L. (CERN) ; Marsh, B.A. (CERN) ; Rossel, R.E. (CERN ; Mainz U., Inst. Phys. ; Hochschule RheinMain, Wiesbaden) ; Rothe, S. (CERN) ; Veinhard, M. (CERN)
The resonance ionization laser ion source (RILIS) is the principal ion source of the ISOLDE radioactive beam facility based at CERN. Using the method of in-source laser resonance ionization spectroscopy, a transition to a new autoionizing state of tellurium was discovered and applied as part of a three-step, three-resonance, photo-ionization scheme. [...]
2016
- Published in : Nucl. Instrum. Methods Phys. Res., A 830 (2016) 510-514
Elsevier Open Access article: PDF;
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On-line implementation and first operation of the Laser Ion Source and Trap at ISOLDE/CERN
/ Fink, D A (CERN) ; Richter, S D ; Blaum, K ; Catherall, R (CERN) ; Crepieux, B (CERN) ; Fedosseev, V N (CERN) ; Gottberg, A (CERN) ; Kron, T ; Marsh, B A (CERN) ; Mattolat, C et al.
• The Laser Ion Source and Trap (LIST) was successfully operated on-line at ISOLDE. • LIST showed no signs of degradation after 48 h of intense proton irradiation. [...]
2015 - 13 p.
- Published in : Nucl. Instrum. Methods Phys. Res., B 344 (2015) 83-95
Elsevier Open Access article: PDF;
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Laser ion beam production at CERN-ISOLDE: New features – More possibilities
/ Rothe, S (CERN) ; Day Goodacre, T (CERN ; Manchester U.) ; Fedorov, D V (St. Petersburg, INP) ; Fedosseev, V N (CERN) ; Marsh, B A (CERN) ; Molkanov, P L (St. Petersburg, INP) ; Rossel, R E (CERN ; Mainz U., Inst. Phys. ; Fachhochschule Wiesbaden) ; Seliverstov, M D (St. Petersburg, INP) ; Veinhard, M (CERN) ; Wendt, K D A (Mainz U., Inst. Phys.)
This article summarizes the current specifications and the latest features of the CERN-ISOLDE resonance ionization laser ion source (RILIS). This includes a description of the optical layout and the newly designed reference system. [...]
2016 - 6 p.
- Published in : Nucl. Instrum. Methods Phys. Res., B 376 (2016) 91-96
Elsevier Open Access article: PDF;
In : 17th International Conference on Electromagnetic Isotope Separators and Related Topics, Grand Rapids, USA, 11 - 15 May 2015, pp.91-96
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The laser ion source trap for highest isobaric selectivity in online exotic isotope production
/ Schwellnus, F (Mainz U.) ; Catherall, R (CERN) ; Wendt, K (Mainz U.) ; Mattolat, C (Mainz U.) ; Rothe, S (CERN) ; Crepieux, B (CERN) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Fedosseev, V (CERN) ; Gottwald, T (Mainz U.) ; Kluge, H -J (Darmstadt, GSI) et al.
The improvement in the performance of a conventional laser ion source in the laser ion source and trap (LIST) project is presented, which envisages installation of a repeller electrode and a linear Paul trap/ion guide structure. This approach promises highest isobaric purity and optimum temporal and spatial control of the radioactive ion beam produced at an online isotope separator facility. [...]
2010
- Published in : Rev. Sci. Instrum. 81 (2010) 02A515
In : International Conference on Ion Sources, Gatlinburg, TN, USA, 20 - 25 Sep 2009, pp.02A515
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